Skip to contentSkip to footer
  • Community
  • Jobs
  • Companies
  • Salaries
  • For employers
      Notifications

      Loading...

      Elevate your career

      Discover your earning potential, land dream jobs, and share work-life insights anonymously.

      employer cover photo
      employer logo
      employer logo

      Walmart

      Engaged employer

      About
      Reviews
      Pay and benefits
      Jobs
      Interviews
      Interviews
      Related searches: Walmart reviews | Walmart jobs | Walmart salaries | Walmart benefits | Walmart conversations
      Walmart interviewsWalmart Senior Software Engineer (Level IV) interviewsWalmart interview


      Glassdoor

      • About / Press
      • Awards
      • Blog
      • Research
      • Contact Us
      • Guides

      Employers

      • Free Employer Account
      • Employer Centre
      • Employers Blog

      Information

      • Help
      • Guidelines
      • Terms of Use
      • Privacy and Ad Choices
      • Do Not Sell Or Share My Information
      • Cookie Consent Tool
      • Security

      Work With Us

      • Advertisers
      • Careers
      Download the App

      • Browse by:
      • Companies
      • Jobs
      • Locations
      • Communities
      • Recent posts

      Copyright © 2008-2026. Glassdoor LLC. "Glassdoor," "Worklife Pro," "Bowls" and logo are proprietary trademarks of Glassdoor LLC.

      Followed companies

      Stay ahead in opportunities and insider tips by following your dream companies.

      Job searches

      Get personalised job recommendations and updates by starting your searches.

      Senior Software Engineer (Level IV) Interview

      16 Jul 2020
      Anonymous employee
      Bengaluru
      Accepted offer
      Positive experience
      Difficult interview

      Application

      I applied online. The process took 3 weeks. I interviewed at Walmart (Bengaluru) in Jun 2020

      Interview

      Got a call from HR and the interview was scheduled for one whole day. Due to COVID times, all the interview process was virtually over zoom video call with screen sharing. The opening was for UI/Javascript developer Totally there were 4 rounds scheduled on the same day. Round1: DS & Algo - 1HR Started with array-based question Linked list based question BST and graph traversals All the questions asked was for best time & space complexity Implement getElementByID Round2: UI and JS Round - 1.5HR JS timer events and intervals JS single-threaded architecture and event loops Array-based question React virtual dom internals how will you handle memory leaks Promise based question and who to implement timeout feature for async calls Implement Redux kind of global store, (Impl Pubs-subs pattern and explain Flex architecture) Flatten deeply nested object into 1D object with '_' Disadvantage of using closure Round 3: System Design - 1HR One Puzzle was asked, 3box with apple orange puzzle Design an online game platform for Dart --- It must support single and multi-user functionality Round 4: HM Round - 1HR More about my projects and career interests Detailed discussions on my Git projects Managerial based questions on code review, teamwork, deployment, deliverables, deadlines etc 1.5 weeks later after my interview, Got a call from HR asking for HR round discussions. A week later after HR discussions, the offer letter was released. The interview process was very smooth & great. Thanks and kudos to HR team and panelists for handling it very nice during this pandemic situation.

      Interview questions [5]

      Question 1

      Find the first duplicate in the array having the numbers upto length n. Input: [1,3,5,2,4] Output: No Duplicate Input: [1,4,2,4,5,2] Output: 4 Without extra space
      Answer question

      Question 2

      Find the loop in linked list How to find the node starting the loop
      Answer question

      Question 3

      Implement getElementById
      Answer question

      Question 4

      Flatten deep nested object: const nestedData = { name: 'Abc', age: '29', address: { pincode: '110011', area: 'bangalore', state: 'karnataka', location: { lat: '122.21', long: '11.21', }, phone: '1212121', }, }; Output: const op = { "nestedData_name": "Abc", "nestedData_age": "29", "nestedData_address_pincode": "110011", "nestedData_address_area": "bangalore", "nestedData_address_state": "karnataka", "nestedData_address_location_lat": "122.21", "nestedData_address_location_long": "11.21", "nestedData_address_phone": "1212121" }
      Answer question

      Question 5

      Reject the async call once the request as reached a certain timeout. Impl timeout mechanism for async calls
      Answer question
      7

      Bowls

      Get actionable career advice tailored to you by joining more bowls.

      Company Bowl sample

      Want the inside scoop on your own company?

      Check out your Company Bowl for anonymous work chats.